Dana Medřická

Nina Kirová, Sociologist

Irena Kačírková

Brigitta

Radovan Lukavský

Commander MacDonald

Otto Lackovič

Michal, Coordinator

Miroslav Macháček

Marcel Bernard

Jiří Vršťala

Erik Svenson, Pilot

Rudolf Deyl

Ervin Herold, Pilot

Jaroslav Mareš

Milek Wertbowsky

Martin Ťapák

Petr Kubeš, Biologist

Marcela Martínková

Štefa, Wertbowsky's wife

Jozef Adamovič

Zdeněk Lorenc, Coordinator

Jaroslav Rozsíval

The Ship's Doctor

Růžena Vyskočilová

Eva, Historian

Svatava Hubeňáková

Rena, MacDonald's wife

Jan Cmíral

Crewmember

Václav Irmanov

Coordinator

Eva Cedlová

Coordinator (uncredited)

Zdena Borovičková

Coordinator (uncredited)

Vladimír Navrátil

Coordinator (uncredited)

V. Maláková

Coordinator (uncredited)

J. Vicherková

Coordinator (uncredited)

Ladislav Mrkvička

Romeo in Movie (uncredited)

Hana Pražanová

Julie in Movie (uncredited)

Jiří Cejnek

Crewmember (uncredited)

Věra Křesadlová

Crewmember (uncredited)

Karel Duba

Crewmember (uncredited)

Gustav Vobornik

Crewmember (uncredited)

Olga Navrátilová

Crewmember (uncredited)

Olga Schoberová

Crewmember (uncredited)

Vladimír Štúr

Crewmember (uncredited)

Miroslav Abrahám

Crewmember (uncredited)

L. Prokůpek

Crewmember (uncredited)

R. Junášková

Crewmember (uncredited)

Renáta Pospíšilová

Crewmember (uncredited)

Marcela Baťková

Crewmember (uncredited)

V. Urbánek

Crewmember (uncredited)

V. Hrabák

Crewmember (uncredited)

Naděžda Blažíčková

Dancer (uncredited)

Alena Martinovská

Dancer (uncredited)

František Halmazňa

Dancer (uncredited)

Bohumil Klika

Dancer (uncredited)

Věra Burešová

Dancer (uncredited)

Jaguše Podešvová

Dancer (uncredited)

L. Stejskalová

Dancer (uncredited)

J. Januška

Navigator (uncredited)

J. Lacina

Robot (uncredited)

Zdeněk Jelínek

Pianist (uncredited)

Jan S. Kolár

Dead Man (uncredited)

Marie Popelková

Dead Woman (uncredited)

Josef Drbohlav

Dead Man (uncredited)

D. Kalibová

Dead Woman (uncredited)

J. Sluštická

Dead Woman (uncredited)

I. Sigrotová

Dead Woman (uncredited)

V. Zítko

Dead Man (uncredited)

B. Kocian

Dead Man (uncredited)

V. Smolík

Dead Man (uncredited)

Zdeněk Štěpánek

Narrator (voice) (uncredited)

Bohumil Bezouška

Petr Kubeš, Biologist (voice) (uncredited)

Ivo Palec

Zdeněk Lorenc, Coordinator (voice) (uncredited)

Bohumil Švarc

Computer (voice) (uncredited)